--- In Electronics_101@yahoogroups.com
> I probably have 30~40 hours into the software for the motion
> translator board I am working on. I have probably been down 20
> different paths along the way trying various routines and such for
> the velocity control, accel, decel, etc.
> This morning I worked out the homing routines and then did some
> clean up in the code to remove a bunch of testing flags and such.
> The latest test run really ran smooth - much better than anything
> prior. The sad part is I don't know why it is running so smoothly
> as I don't recall fixing the "problem" areas.
Stepper smoothness is often the smoothness and regularity of the
pulses. PC's have a horrible output as far as timing goes. PC's have
a lot of overhead so the pulse streams are horrible. But, in the low
speed realm of most of out motion control, that is not all that important.